Intel Core i5-10400 vs Intel Core Ultra 7 155U

Core i5-10400 vs Core Ultra 7 155U benchmarks

Our benchmark analysis concludes that the Core Ultra 7 155U performs better than the Core i5-10400. Furthermore, our gaming benchmark shows that it also outperforms the Core i5-10400 in all gaming tests too.

With info from our database, we find that the Core Ultra 7 155U has significantly more cores with 12 cores whereas the Core i5-10400 has 6 cores. It also has more threads than the Core i5-10400. With our hardware info, we find that the Core i5-10400 has a slightly higher clock speed than the Core Ultra 7 155U. In terms of cache, the Core Ultra 7 155U has significantly more L2 cache when compared to the Core i5-10400. However, both these chips have the same amount of L3 cache.

Modern CPUs generally have more logical cores than physical cores, this means that each core is split into multiple virtual cores, improving efficiency for parallel workloads. Indeed, the Core i5-10400 has more threads than cores. Each physical core is split into multiple threads.